*,
*::before,
*::after{
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
a{
  text-decoration: none;
  color: #333;
}
#story{
	display: flex;
	flex-direction: column;
	height: 2600px;
}
#bgc{
	flex: 1;
	background-color: black;
	width: 100%;
}
.f1 > .container{
	width: 100%;
	position: relative;
	height: 460px;
}
.f1 > .container > img:first-child {
  display: block;
  width: 100%;
  height: 100%;
}
.f1 > .container>#img{
	width: 660px;
  position: absolute;
	left: 33%;
	top: 22%;
	}
.f2{
	position: absolute;
	width: 1200px;
	background-color: white;
	left: 18%;
	top: 15%;
}
.f2>.container{
	width: 1000px;
	height: 100%;
	margin: 80px 100px;
}
.f2-header{
	display: flex;
}
.f2-header>a{
	flex: 1;
	border-radius: 5px;
	text-align: center;
	padding: 40px 0;
}
.f2-header>a:nth-child(3){
	border: 1px solid #ccc;
	box-shadow: 0 0 3px #CCC;
}
.f2-header>a>img{
	width: 60px;
}
.duanluo{
	margin-top: 30px;
}
.duanluo>.content{
	width: 100%;
}
.duanluo>.content>.left{
	width: 45%;
	height: 1700px;
	float: left;
	display: flex;
	flex-direction: column;
	justify-content: space-around;
}
.line{
    position: absolute;
    width: 4px;
    height: 85%;
    left: 50%;
		top: 300px;
    margin-left: -2px;
    background: #d00;
}
 .line:before,
 .line:after{
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: #fff;
    border: 2px solid #d00;
    border-radius: 50%;
    left: -4px;
    box-sizing: border-box;
}
 .blo1-line::after,
 .blo2-line::before{
	 content: '';
	 position: absolute;
	 width: 12px;
	 height: 12px;
	 background-color: #fff;
	 border: 2px solid #d00;
	 border-radius: 50%;
	 box-sizing: border-box;
	 z-index: 99;
 }
 .blo1-line::after{
	 left: 45px;
	 top: -4px;
 }
 .blo2-line:before{
 	top:-4px ;
	left: -7px;
 }
.line>.after{
	content: '';
	position: absolute;
	width: 12px;
	height: 12px;
	background: #fff;
	border: 2px solid #d00;
	border-radius: 50%;
	bottom: 0;
	left: -3.8px;
	box-sizing: border-box;
}
.duanluo>.content>.right{
	width: 45%;
	height: 1700px;
	float: right;
	margin-top: 180px;
	display: flex;
	flex-direction: column;
	justify-content: space-around;
}
.block{
	margin: 30px auto;
	width: 450px;
	background-color:white;
	border-radius: 10px;
	border: 1px solid #ccc;
	box-shadow: 0 0 3px #CCC;
	position: relative;
}
.block img{
	width: 100%;
	border-top-left-radius:10px ;
	border-top-right-radius:10px;
}
.block>div{
	margin: 30px;
}
.block>div>h4{
	padding-bottom: 10px;
	line-height: 30px;
}
.block span{
	color: #666;
	line-height: 30px;
}
.blo1-line{
	position: absolute;
	width: 48px;
	height: 4px;
	right: -48px;
	top: 200px;
	background: #d00;
}
.blo2-line{
	position: absolute;
	width: 50px;
	height: 4px;
	left: -50px;
	top: 200px;
	background: #d00;
}
::-webkit-scrollbar {
  width: 0 !important;
  height: 0;
}

div{
	/* border: 1px solid red; */
}